WO2012072028A1 - Procédé et dispositif pour le rapport d'état de canal - Google Patents

Procédé et dispositif pour le rapport d'état de canal Download PDF

Info

Publication number
WO2012072028A1
WO2012072028A1 PCT/CN2011/083218 CN2011083218W WO2012072028A1 WO 2012072028 A1 WO2012072028 A1 WO 2012072028A1 CN 2011083218 W CN2011083218 W CN 2011083218W WO 2012072028 A1 WO2012072028 A1 WO 2012072028A1
Authority
WO
WIPO (PCT)
Prior art keywords
csi
ports
pmi
transmission scheme
data
Prior art date
Application number
PCT/CN2011/083218
Other languages
English (en)
Chinese (zh)
Inventor
苏昕
高秋彬
拉盖施
沈祖康
Original Assignee
大唐移动通信设备有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 大唐移动通信设备有限公司 filed Critical 大唐移动通信设备有限公司
Priority to US13/991,152 priority Critical patent/US9363700B2/en
Priority to JP2013541196A priority patent/JP5711384B2/ja
Priority to EP11844919.8A priority patent/EP2648445B1/fr
Priority to KR1020137016846A priority patent/KR101523687B1/ko
Publication of WO2012072028A1 publication Critical patent/WO2012072028A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413—MIMO systems
    • H04B7/0417—Feedback systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0026—Transmission of channel quality indication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
    • H04B7/0621—Feedback content
    • H04B7/063—Parameters other than those covered in groups H04B7/0623 - H04B7/0634, e.g. channel matrix rank or transmit mode selection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
    • H04B7/0621—Feedback content
    • H04B7/0632—Channel quality parameters, e.g. channel quality indicator [CQI]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
    • H04B7/0636—Feedback format
    • H04B7/0639—Using selective indices, e.g. of a codebook, e.g. pre-distortion matrix index [PMI] or for beam selection

Definitions

  • the present invention relates to the field of communications, and more particularly to a method and apparatus for uplink state.
  • BACKGROUND OF THE INVENTION Channel shield information is an important basis for various adaptive adjustments and scheduling on the network side.
  • LTE Long Term Evolution
  • the UE needs to make a hypothesis on the transmission scheme of the PDSCH (Physical Downlink Shared Channel) according to the transmission mode in which the UE is located. For example, in the CQI calculation defined in LTE Rel-9 (Release 9), the hypothetical way of the PDSCH transmission scheme is shown in Figure 1.
  • PDSCH Physical Downlink Shared Channel
  • TM Transmission Mode
  • the UE (User Experience) needs to calculate and report the recommended PMI (Precoding Matrix Indicator) based on the detection of CRS (Cell-specific reference signals).
  • the precoding matrix indicates, and when the UE reports the CQI, it assumes that the eNB (evolved Node B) uses the PMI it reports.
  • TM7 non-codebook precoding is used.
  • the UE only needs to report CQI to e B, and e B calculates precoding or shaping vector.
  • the PMI and the non-PMI (non-PMI) feedback mode can be supported.
  • the UE can generate the report quantity (PMI/RI ( Rank Indication) according to the detection of the CRS according to the feedback mode of the high-level configuration and the specific reporting mode. CQI or CQI).
  • LTE-A LTE-Advanced, Extended Long Term Evolution
  • MIMO Multi-Input Multiple-Out-put
  • TM9 CSI reference signals
  • the demodulation method based on DMRS (De Modulation Reference Signal) is used in TM9.
  • the role of CSI-RS is only for detection and not demodulation. Similar to the TM8, the eNB can configure the reporting mode of the UE into a PMI or a non-PMI format through high layer signaling.
  • Embodiments of the present invention provide a method and apparatus for reporting a channel state, which are used to implement a CSI-RS based channel state.
  • a method for uplink state of a channel includes the following steps:
  • the user equipment UE detects the configuration information of the sounding reference signal CSI-RS;
  • the UE determines, according to the detection result, the number of ports required for reporting the channel state based on the CSI-RS;
  • the UE determines, according to the determined number of ports, the corresponding number of ports, and the transmission scheme, that the base station uses the CSI-RS based precoding matrix to indicate the PMI transmission scheme, and determines that the base station will perform the physical according to the codebook based precoding method.
  • the downlink shared channel PDSCH data is mapped to and transmitted on P CSI-RS ports, where the codebook is based on
  • the rank indicates the PDSCH data formed by the RI data layers, and represents the data formed by the P CSI-RS ports.
  • the UE calculates and reports channel state information according to the determined result.
  • a user equipment including:
  • a detecting module configured to detect configuration information of the sounding reference signal CSI-RS
  • a port number module configured to determine, according to the detection result, a number of ports required for reporting a channel state based on a CSI-RS; and a transmission mode module, configured to confirm the base station according to the determined number of ports, a preset number of ports, and a corresponding relationship between the transmission schemes
  • the CSI-RS-based precoding matrix is used to indicate the PMI transmission scheme, it is determined that the base station will map the data of the physical downlink shared channel PDSCH to the P CSI-RS ports according to the codebook-based precoding manner, and transmit the data.
  • S is PDSCH data consisting of RI data layers indicated by rank, indicating P CSI-RS ports
  • y a vector formed by the data; a reporting module, configured to calculate and report channel state information according to the determined result.
  • the UE determines the corresponding transmission mode according to the number of ports required for reporting the channel state based on the CSI-RS, and performs channel state information reporting by using the determined transmission scheme, which solves the problem that the CSI-RS cannot be used in the prior art.
  • the problem that the base station will use the transmission scheme and thus the channel state information cannot be reported.
  • FIG. 1 is a diagram showing a relationship between a transmission scheme and a transmission number in the prior art
  • FIG. 2 is a flowchart of a main method for reporting a channel state according to an embodiment of the present invention
  • FIG. 3 is a flowchart of a method for transmitting channel state information on a non-PMI transmission scheme according to an embodiment of the present invention
  • FIG. 4 is a flowchart of reporting channel state information by using a CSI-RS based PMI transmission scheme according to an embodiment of the present invention
  • Method flow chart
  • FIG. 5 is a structural diagram of a UE according to an embodiment of the present invention.
  • the UE determines the corresponding transmission scheme according to the number of ports required for reporting the channel state based on the CSI-RS, and performs channel state information reporting by using the determined transmission scheme, which solves the CSI based on the prior art.
  • -RS cannot determine the transmission scheme that the base station will use and thus cannot report channel status information.
  • the main method for reporting channel state information in this embodiment is as follows:
  • Step 201 The UE detects configuration information of the CSI-RS.
  • Step 202 The UE determines, according to the detection result, the number of ports required for reporting the channel state based on the CSI-RS.
  • the configuration information of the CSI-RS includes the number of ports, and the UE can obtain the number of ports by detecting the configuration information.
  • Step 203 The UE determines a transmission scheme to be used by the base station according to the determined number of ports, the preset number of ports, and the corresponding relationship between the transmission schemes.
  • Step 204 The UE calculates and uplinks channel state information according to the determined transmission scheme.
  • the UE when the number of ports required for channel state reporting based on CSI-RS is 1, the UE assumes that the eNB transmits on the PDSCH through a single port (such as portO (port 0)), which is not required at this time.
  • the codebook is used, so the UE uses a non-PMI transmission scheme.
  • the UE assumes that the eNB maps the PDSCH data to the P CSI-RS ports according to the codebook-based precoding manner and transmits the data.
  • the codebook is used, so the UE uses a CSI-RS based PMI transmission scheme.
  • (0) CSI-RS based PMI transmission scheme
  • the codebook-based precoding method is represented by the formula y, where W is a P x RI dimensional matrix, and represents a codebook composed of a precoding matrix, in particular, a code composed of a precoding matrix defined by Rel-10. this.
  • S is the RI
  • the PDSCH data consisting of data layers
  • RI is the rank indication reported by the UE
  • y is the vector formed by the data on the P CSI-RS ports.
  • the CSI-RS port transmits, and at the same time, confirms that the base station maps the DMRS to the above P CSI-RS ends in the same manner.
  • Represents S , a k,l ( p ⁇ S, 14 + ⁇ ) Representing a symbol transmitted on the kth subcarrier, the first OFDM symbol, and the first CSI-RS port;
  • Step 301 After the UE accesses the network, the configuration information of the CSI-RS is obtained through system broadcast. Frequency position, period, and number of ports.
  • Step 302 The UE detects configuration information of the CSI-RS, and obtains a channel transmission matrix.
  • Step 303 The UE determines, according to the detection result of step 301, the number of ports required for reporting the channel state based on the CSI-RS, and finds that the number of ports is 1.
  • Step 304 The UE determines, according to the number of ports, that the eNB will transmit on the PDSCH through a single port.
  • Step 305 The UE determines a non-PMI transmission scheme according to an action of the eNB transmitting on the PDSCH through a single port.
  • Step 306 The UE calculates and reports the CQI according to the non-PMI transmission scheme.
  • a CQI is calculated and reported for each frequency domain reporting unit (such as a wideband or subband). Since the codebook is not needed at this time, only the CQI can be reported.
  • the method for reporting channel state information by using a CSI-RS based PMI transmission scheme in this embodiment is as follows:
  • Step 401 After the UE accesses the network, the configuration information of the CSI-RS is obtained through system broadcast.
  • Step 402 The UE detects the configuration information of the CSI-RS, and obtains a channel transmission matrix.
  • Step 403 The UE determines, according to the detection result of step 401, the number of ports required for reporting the channel state based on the CSI-RS, and finds that the number of ports is greater than 1.
  • Step 405 The UE determines a CSI-RS based PMI transmission scheme according to the determined action of the eNB.
  • Step 406 The UE calculates and reports the reporting unit in each frequency domain according to the CSI-RS-based PMI transmission scheme.
  • PMI denotes the label corresponding to W in the codebook.
  • Step 407 The UE calculates and reports the RI for the full bandwidth according to the CSI-RS based PMI transmission scheme.
  • Step 408 The UE calculates and reports the CQI according to the CSI-RS-based PMI transmission scheme and the calculated RI.
  • a CQI is calculated and reported for each frequency domain reporting unit (such as a wideband or subband).
  • the UE calculates and counts 4 CQIs on 4 units per frequency domain.
  • the UE calculates and reports the CQI for the two codewords in units of 4 units in each frequency domain.
  • the internal structure and functions of the UE are introduced.
  • the UE in this embodiment includes: a detection module 501, a port number module 502, a transmission mode module 503, and a reporting module 504.
  • the detecting module 501 is configured to detect the sounding reference signal CSI-RS.
  • the detection module 501 is also used to obtain the channel h, ⁇ ⁇ ⁇ ⁇ h
  • the transmission matrix simultaneous detection module 501 can detect the received interference and noise.
  • the port number module 502 is configured to determine, according to the detection result, the number of ports required for channel state reporting based on CSI-RS.
  • the transmission mode module 503 is configured to determine, according to the determined number of ports, the corresponding number of ports, and the transmission scheme, the transmission scheme to be used by the base station.
  • the correspondence between the preset number of ports and the transmission scheme includes: the number of ports is 1, corresponding to the non-PMI transmission scheme; the number of ports is greater than 1, corresponding to the PSI transmission scheme based on CSI-RS.
  • the transmission mode module 503 determines that the eNB will transmit on the PDSCH through a single port, and then determines a non-PMI transmission scheme according to the number of ports. Alternatively, the transmission mode module 503 determines that the eNB will follow the codebook based preamble according to the number of ports greater than 1.
  • the coding mode maps the PDSCH data to the P CSI-RS ports and transmits them, thereby determining the CSI-RS based
  • the reported channel state information includes The channel shield indicates CQI, that is, the reporting module 504 calculates and reports the CQI.
  • the reported channel state information includes CQI, PMI, and RI, that is, the reporting module 504 calculates. And report CQI, PMI and RI.
  • the reporting module 504 calculates and uplinks 4 PMIs for each unit in the frequency domain according to the CSI-RS-based PMI transmission scheme, and according to the CSI-based The PMI transmission scheme of the RS calculates and reports the RI for the full bandwidth, and calculates the RI according to the CSI-RS based PMI transmission scheme and the calculated RI.
  • the upper 4 ⁇ CQL RI is equal to 1, the upper 4 ⁇ module 504 is at each frequency.
  • the upper block 504 includes a computing unit and an interface unit.
  • the calculation unit is used to calculate channel state information.
  • the interface unit is used to send channel status information.
  • the interface unit is further configured to acquire configuration information of the CSI-RS by using a system broadcast.
  • the UE determines the corresponding transmission mode according to the number of ports required for reporting the channel state based on the CSI-RS, and performs channel state information reporting by using the determined transmission scheme, which solves the problem that the CSI-RS cannot be used in the prior art.
  • the embodiment of the present invention provides a corresponding transmission mode for different number of ports, and specifically provides channel state information that needs to be calculated and reported.
  • embodiments of the present invention can be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment, or a combination of software and hardware. Moreover, the present invention is in the form of a computer program product embodied on one or more computer-usable storage media (including but not limited to disk storage and optical storage, etc.) in which computer usable program code is embodied.
  • the computer program instructions can also be stored in a computer readable memory that can direct a computer or other programmable data processing device to operate in a particular manner, such that the instructions stored in the computer readable memory produce an article of manufacture comprising the instruction device.
  • the apparatus implements the functions specified in one or more blocks of a flow or a flow and/or block diagram of the flowchart.
  • These computer program instructions can also be loaded onto a computer or other programmable data processing device such that a series of operational steps are performed on a computer or other programmable device to produce computer-implemented processing for execution on a computer or other programmable device.
  • the instructions provide steps for implementing the functions specified in one or more of the flow or in a block or blocks of a flow diagram.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)

Abstract

La présente invention concerne un procédé pour le rapport d'état de canal, permettant de réaliser un rapport d'état de canal basé sur un signal de référence d'informations d'état de canal (CSI-RS). Le procédé comprend les étapes suivantes: la détection par l'équipement utilisateur de l'information de configuration concernant un signal de référence CSI (CSI-RS), la détermination du nombre de points d'accès requis par le rapport d'état de canal basé sur le signal CSI-RS, et la détermination qu'un nœud B évolué va effectuer un mappage des données du canal physique partagé de liaison descendante (PDSCH) sur P points d'accès de signal CSI-RS sous forme d'un précodage à base de livre de codes et leur transmission lorsqu'il est confirmé que le nœud B évolué utilise la stratégie de transmission PMI basée sur le signal CSI-RS selon la corrélation entre le nombre de points d'accès configurés et la stratégie de transmission, le procédé de précodage à base de livre de codes étant le procédé indiqué par la formule [formule I], dans laquelle W représente un livre de codes composé d'une matrice de précodage, S représente les données de canal PDSCH composées d'un nombre (indicateur de rang RI) de couches de données, et [la formule II] représentant un vecteur composé des données de P points d'accès de signal CSI-RS ; et le calcul et le rapport par l'équipement utilisateur d'information d'état de canal selon le résultat déterminé. L'invention concerne également un dispositif pour la mise en œuvre du procédé.
PCT/CN2011/083218 2010-12-02 2011-11-30 Procédé et dispositif pour le rapport d'état de canal WO2012072028A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
US13/991,152 US9363700B2 (en) 2010-12-02 2011-11-30 Method and device for reporting channel state
JP2013541196A JP5711384B2 (ja) 2010-12-02 2011-11-30 チャネル状態の報告方法およびその装置
EP11844919.8A EP2648445B1 (fr) 2010-12-02 2011-11-30 Procédé et dispositif pour le rapport d'état de canal
KR1020137016846A KR101523687B1 (ko) 2010-12-02 2011-11-30 채널 상태를 리포팅하는 방법 및 장치

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN2010105697220A CN102045762B (zh) 2010-12-02 2010-12-02 一种上报信道状态的方法及装置
CN201010569722.0 2010-12-02

Publications (1)

Publication Number Publication Date
WO2012072028A1 true WO2012072028A1 (fr) 2012-06-07

Family

ID=43911411

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2011/083218 WO2012072028A1 (fr) 2010-12-02 2011-11-30 Procédé et dispositif pour le rapport d'état de canal

Country Status (6)

Country Link
US (1) US9363700B2 (fr)
EP (1) EP2648445B1 (fr)
JP (1) JP5711384B2 (fr)
KR (1) KR101523687B1 (fr)
CN (1) CN102045762B (fr)
WO (1) WO2012072028A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014507854A (ja) * 2011-01-12 2014-03-27 ゼットティーイー コーポレイション チャネル品質指示情報を確定する方法及び装置
WO2014142506A1 (fr) * 2013-03-11 2014-09-18 엘지전자 주식회사 Procédé et appareil de rapport d'informations d'état de canal dans un système de communication sans fil
RU2627739C1 (ru) * 2013-09-11 2017-08-11 Хуавей Текнолоджиз Ко., Лтд. Способ конфигурации опорного сигнала информации о состоянии канала и базовая станция
CN111641485A (zh) * 2014-09-25 2020-09-08 株式会社Ntt都科摩 用户装置和发送方法

Families Citing this family (55)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011087275A2 (fr) * 2010-01-12 2011-07-21 엘지전자 주식회사 Procédé et dispositif de compilation d'une liste de codes et d'émission d'un signal sur la liaison descendante dans un système de communication sans fil exploitant plusieurs antennes
CN102469489B (zh) 2010-11-08 2015-03-25 大唐移动通信设备有限公司 一种信道质量信息的上报方法及其装置
CN102045762B (zh) * 2010-12-02 2013-07-24 大唐移动通信设备有限公司 一种上报信道状态的方法及装置
CN102111246B (zh) * 2011-01-12 2017-03-29 中兴通讯股份有限公司 反馈信道状态信息的方法和用户设备
EP2727305A4 (fr) 2011-07-01 2015-01-07 Intel Corp Décalage de couche dans des communications entrées multiples, sorties multiples en boucle ouverte
CN102291212B (zh) * 2011-08-12 2014-06-18 电信科学技术研究院 信道状态信息的反馈方法和设备
WO2013023290A1 (fr) * 2011-08-12 2013-02-21 Research In Motion Limited Procédés de renvoi d'informations d'état de canaux et d'émission dans un système de communications sans fil multipoint coordonné
CN102291213B (zh) * 2011-08-15 2017-06-16 中兴通讯股份有限公司 一种计算信道质量指示信息的终端及方法
CN102291839B (zh) * 2011-08-16 2014-07-09 电信科学技术研究院 一种cqi信息的传输方法及装置
CN102315871B (zh) * 2011-09-30 2017-03-29 中兴通讯股份有限公司 非周期的信道状态信息的处理方法、装置及系统
CN103036601B (zh) * 2011-09-30 2017-08-29 锐迪科（重庆）微电子科技有限公司 一种确定秩指示和预编码矩阵索引的方法和装置
KR20140073586A (ko) * 2011-10-31 2014-06-16 후지쯔 가부시끼가이샤 채널 품질 정보 계산 방법, 채널 품질 정보 피드백 방법, 및 장치
CN102546110A (zh) * 2011-12-31 2012-07-04 电信科学技术研究院 一种传输信道状态信息的方法及装置
KR101594377B1 (ko) * 2012-01-11 2016-02-16 엘지전자 주식회사 참조신호를 이용한 채널 추정 방법 및 장치
CN107135055B (zh) * 2012-01-18 2020-06-02 华为技术有限公司 测量方法，csi-rs资源共享方法和装置
CN103326761B (zh) * 2012-03-19 2017-10-27 中兴通讯股份有限公司 信道状态信息处理方法及装置
US8885752B2 (en) 2012-07-27 2014-11-11 Intel Corporation Method and apparatus for feedback in 3D MIMO wireless systems
US9705578B2 (en) * 2012-11-06 2017-07-11 Kyocera Corporation Mobile communication system, user terminal, and processor
WO2014101242A1 (fr) * 2012-12-31 2014-07-03 华为技术有限公司 Procédé pour rapporter des informations d'état de canal (csi), terminal d'utilisateur et station de base
EP2941833B1 (fr) * 2013-01-03 2019-11-27 Intel Corporation Procédés améliorés de retour d'informations de qualité de voie
CN104104421B (zh) * 2013-04-08 2018-12-14 财团法人工业技术研究院 使用高度波束形成技术的通讯站及相关的通讯装置
US9742537B2 (en) * 2013-06-18 2017-08-22 Sharp Kabushiki Kaisha Terminal device, base station device, integrated circuit, and wireless communication method
KR102285852B1 (ko) * 2013-12-17 2021-08-05 삼성전자 주식회사 전차원 다중입력 다중출력 이동통신 시스템에서 통신방법 및 장치
CN104735691B (zh) * 2013-12-20 2019-11-08 北京三星通信技术研究有限公司 信道状态信息汇报的方法及装置
US9787376B2 (en) * 2014-01-06 2017-10-10 Intel IP Corporation Systems, methods, and devices for hybrid full-dimensional multiple-input multiple-output
CN103825664B (zh) * 2014-02-21 2016-05-18 电信科学技术研究院 信道状态信息测量方法和装置、以及信号传输方法和装置
WO2016017171A1 (fr) * 2014-08-01 2016-02-04 日本電気株式会社 Dispositif de prédiction de débit, dispositif d'estimation de rapport de mélange, procédé, et support d'enregistrement lisible par ordinateur
CN110401472B (zh) * 2014-09-17 2021-03-09 上海朗帛通信技术有限公司 一种3d mimo传输方法和装置
US9893777B2 (en) * 2014-11-17 2018-02-13 Samsung Electronics Co., Ltd. Method and apparatus for precoding channel state information reference signal
US10142004B2 (en) 2014-12-30 2018-11-27 Lg Electronics Inc. Method for performing pre-coding using codebook in wireless communication system and apparatus therefor
WO2016106721A1 (fr) * 2014-12-31 2016-07-07 华为技术有限公司 Procédé de transmission de csi-rs, dispositif de réseau et équipement d'utilisateur
WO2016115655A1 (fr) 2015-01-19 2016-07-28 Qualcomm Incorporated Rétroaction d'informations d'état de canal (csi) améliorée pour des opérations entrées multiples, sorties multiples (mimo) globales (fd) (fd-mimo)
CN110213026A (zh) * 2015-01-30 2019-09-06 华为技术有限公司 通信系统中反馈信息的传输方法及装置
CN106160924B (zh) * 2015-04-07 2019-08-02 中国移动通信集团公司 一种信道状态信息反馈的方法、装置、终端及基站
CN106161291B (zh) * 2015-04-07 2019-09-17 电信科学技术研究院 一种数据的发送方法、接收方法及装置
CN106160948B (zh) * 2015-04-20 2020-11-20 中兴通讯股份有限公司 信道质量指示cqi数量的确定方法及装置
US10158414B2 (en) * 2015-06-18 2018-12-18 Samsung Electronics Co., Ltd. Advanced beamforming and feedback methods for MIMO wireless communication systems
CN108496400B (zh) 2016-01-07 2022-06-24 高通股份有限公司 用于fd-mimo的增强的csi反馈
KR20190007475A (ko) * 2016-05-13 2019-01-22 후아웨이 테크놀러지 컴퍼니 리미티드 채널 상태 정보 보고 방법, 채널 상태 정보 판독 방법, 및 관련 장치
KR102414697B1 (ko) 2016-07-29 2022-06-29 삼성전자 주식회사 다수의 배열 안테나를 사용하는 이동통신 시스템에서 csi-rs 포트 공유를 위한 기준신호 설정 방법 및 장치
WO2018027908A1 (fr) * 2016-08-12 2018-02-15 Qualcomm Incorporated Transmission dynamique à faisceaux multiples destinée à une nouvelle technologie radio à entrées et à sorties multiples
CN108282210B (zh) * 2017-01-06 2021-07-09 华为技术有限公司 一种信息发送方法、接收方法及装置
CN108289004B (zh) * 2017-01-09 2021-11-26 华为技术有限公司 一种信道状态信息测量上报的配置方法及相关设备
CN108683487B (zh) * 2018-01-12 2019-06-11 华为技术有限公司 一种用于终端设备能力传输的方法、装置及系统
US10833742B2 (en) 2018-08-10 2020-11-10 At&T Intellectual Property I, L.P. Determining channel state information in advanced networks
US11057092B2 (en) 2018-08-10 2021-07-06 At&T Intellectual Property I, L.P. Facilitating fast channel state information computation for 5G wireless communication systems
US10594380B1 (en) 2018-09-28 2020-03-17 At&T Intellectual Property I, L.P. Channel state information determination using demodulation reference signals in advanced networks
CN109743677B (zh) * 2019-01-16 2020-04-28 深圳职业技术学院 一种基于异构网络的窄带物联网中多级数据传输方法
CN111447047B (zh) * 2019-01-16 2021-12-28 华为技术有限公司 发送信道信息的方法和装置与接收信道信息的方法和装置
WO2020150860A1 (fr) * 2019-01-21 2020-07-30 Qualcomm Incorporated Techniques de restriction d'un domaine fréquentiel pour des informations d'état de canal avec compression du domaine fréquentiel
WO2020150940A1 (fr) * 2019-01-23 2020-07-30 Qualcomm Incorporated Rapport cqi avec des unités de domaine de fréquence pmi
CN111756422B (zh) * 2019-03-29 2023-03-03 华为技术有限公司 指示信道状态信息的方法以及通信装置
EP4193475A4 (fr) * 2020-08-07 2024-04-10 Apple Inc Rétroaction d'informations d'état de canal (csi) hiérarchique avec réciprocité partielle avec un équipement d'utilisateur (ue)
CN112019463A (zh) * 2020-09-04 2020-12-01 中兴通讯股份有限公司 信道状态发送、接收、信令信息传输方法、节点和介质
WO2024065729A1 (fr) * 2022-09-30 2024-04-04 Lenovo (Beijing) Limited Procédé et appareil d'indication d'adaptation de port

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101800622A (zh) * 2010-01-08 2010-08-11 中兴通讯股份有限公司 物理上行共享信道的信令配置方法及系统
CN101800628A (zh) * 2010-02-12 2010-08-11 中兴通讯股份有限公司 一种获取信道状态信息的方法和系统
CN101860424A (zh) * 2010-06-17 2010-10-13 中兴通讯股份有限公司 下行控制信息的发送方法和基站
CN101902307A (zh) * 2010-06-22 2010-12-01 中兴通讯股份有限公司 信道状态信息的反馈方法及终端
CN102045762A (zh) * 2010-12-02 2011-05-04 大唐移动通信设备有限公司 一种上报信道状态的方法及装置
CN102111246A (zh) * 2011-01-12 2011-06-29 中兴通讯股份有限公司 反馈信道状态信息的方法和用户设备

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4729537B2 (ja) * 2007-06-19 2011-07-20 株式会社エヌ・ティ・ティ・ドコモ 基地局装置および送信方法
KR101481166B1 (ko) * 2007-06-25 2015-01-28 엘지전자 주식회사 다중안테나 시스템에서의 귀환데이터 전송 방법
CA2713349C (fr) * 2008-01-14 2016-07-19 Telefonaktiebolaget L M Ericsson (Publ) Cyclage de precodeurs en boucle ouverte dans des communications mimo
KR101481583B1 (ko) * 2008-04-18 2015-01-13 엘지전자 주식회사 하향링크 제어 정보 송수신 방법
US20100091678A1 (en) * 2008-10-09 2010-04-15 Texas Instruments Incorporated Downlink rank indication and uplink rank reporting for dedicated beamforming
KR101230780B1 (ko) * 2008-10-10 2013-02-06 엘지전자 주식회사 무선통신 시스템에서 제어신호 전송방법
CN101841828B (zh) * 2009-03-18 2014-07-16 中兴通讯股份有限公司南京分公司 Lte-a系统中信道测量导频的发送方法
US8867495B2 (en) * 2009-03-20 2014-10-21 Qualcomm Incorporated Feedback mechanisms for beamforming operation
CN101635950B (zh) * 2009-08-14 2015-06-10 中兴通讯股份有限公司 一种确定小区参考信号位置的方法及装置

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101800622A (zh) * 2010-01-08 2010-08-11 中兴通讯股份有限公司 物理上行共享信道的信令配置方法及系统
CN101800628A (zh) * 2010-02-12 2010-08-11 中兴通讯股份有限公司 一种获取信道状态信息的方法和系统
CN101860424A (zh) * 2010-06-17 2010-10-13 中兴通讯股份有限公司 下行控制信息的发送方法和基站
CN101902307A (zh) * 2010-06-22 2010-12-01 中兴通讯股份有限公司 信道状态信息的反馈方法及终端
CN102045762A (zh) * 2010-12-02 2011-05-04 大唐移动通信设备有限公司 一种上报信道状态的方法及装置
CN102111246A (zh) * 2011-01-12 2011-06-29 中兴通讯股份有限公司 反馈信道状态信息的方法和用户设备

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014507854A (ja) * 2011-01-12 2014-03-27 ゼットティーイー コーポレイション チャネル品質指示情報を確定する方法及び装置
US9107087B2 (en) 2011-01-12 2015-08-11 Zte Corporation Method and device for determining channel quality indication information
WO2014142506A1 (fr) * 2013-03-11 2014-09-18 엘지전자 주식회사 Procédé et appareil de rapport d'informations d'état de canal dans un système de communication sans fil
US9793971B2 (en) 2013-03-11 2017-10-17 Lg Electronics Inc. Method and device for reporting channel state information in wireless communication system
US9813133B2 (en) 2013-03-11 2017-11-07 Lg Electronics Inc. Method and apparatus for reporting channel state information in wireless communication system
US9866303B2 (en) 2013-03-11 2018-01-09 Lg Electronics Inc. Method and device for reporting channel state information in wireless communication system
US9954592B2 (en) 2013-03-11 2018-04-24 Lg Electronics Inc. Method and apparatus for reporting channel state information in wireless communication system
RU2627739C1 (ru) * 2013-09-11 2017-08-11 Хуавей Текнолоджиз Ко., Лтд. Способ конфигурации опорного сигнала информации о состоянии канала и базовая станция
CN111641485A (zh) * 2014-09-25 2020-09-08 株式会社Ntt都科摩 用户装置和发送方法
CN111641485B (zh) * 2014-09-25 2023-06-02 株式会社Ntt都科摩 用户装置和发送方法

Also Published As

Publication number Publication date
JP2014504073A (ja) 2014-02-13
CN102045762A (zh) 2011-05-04
EP2648445A1 (fr) 2013-10-09
EP2648445B1 (fr) 2019-10-09
US9363700B2 (en) 2016-06-07
US20130343216A1 (en) 2013-12-26
JP5711384B2 (ja) 2015-04-30
KR20130122646A (ko) 2013-11-07
CN102045762B (zh) 2013-07-24
EP2648445A4 (fr) 2017-03-15
KR101523687B1 (ko) 2015-05-28

Similar Documents

Publication Publication Date Title
WO2012072028A1 (fr) Procédé et dispositif pour le rapport d'état de canal
CN102237955B (zh) 一种信道状态信息上报方法及其装置
CN102291212B (zh) 信道状态信息的反馈方法和设备
US9743304B2 (en) Method of feeding back MU-CQI in a communication system, transmission point device, and user equipment
WO2016161936A1 (fr) Procédé de rétroaction d'informations d'état de canal, appareil, terminal, et station de base
WO2012095015A1 (fr) Procédé et dispositif de détermination d'informations d'indication de qualité de canal
WO2013097502A1 (fr) Procédé et dispositif pour transmettre des informations d'état de canal
WO2012059000A1 (fr) Procédé et dispositif permettant de rapporter des informations de qualité de canal
WO2012155511A1 (fr) Terminal et procédé pour calculer des informations indiquant une qualité de voie
CN106160948B (zh) 信道质量指示cqi数量的确定方法及装置
WO2014063647A1 (fr) Procédé et terminal pour déterminer des informations d'état de canal
WO2013067819A1 (fr) Procédé et dispositif de transmission d'informations d'indicateur de matrice de précodage (pmi)
WO2011131127A1 (fr) Procédé, appareil et système d'envoi et de réception de signal de référence de sondage
WO2017076347A1 (fr) Procédé et terminal destinés à être utilisés dans une rétroaction quantifiée d'informations d'état de canal
KR20080073187A (ko) 피드백 정보 송수신 방법
WO2012062197A1 (fr) Procédé de rapport d'informations de qualité de canal et dispositif associé
KR20160079924A (ko) 양자화 품질 피드백을 송신 및 수신하기 위한 디바이스들
WO2013033919A1 (fr) Procédé et système de transmission de données, émetteur et récepteur
WO2017096954A1 (fr) Procédé d'estimation de cqi, procédé de détermination de sinr et dispositif associé
WO2014012509A1 (fr) Procédé et dispositif pour créer un rapport et déterminer des données d'indicateur de qualité de voie
CN103036601A (zh) 一种确定秩指示和预编码矩阵索引的方法和装置
WO2013000307A1 (fr) Procédé et dispositif de détection et de traitement de précodage pour une transmission en boucle ouverte, ainsi que système de transmission en boucle ouverte
WO2011082641A1 (fr) Système, terminal et procédé permettant de transmettre des informations de qualité de canal
WO2014101540A1 (fr) Procédé de sélection et dispositif pour matrices de pré-codage
WO2012136140A1 (fr) Procédé, point d'accès et terminal de renvoi de paramètres d'informations d'état de canal

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 11844919

Country of ref document: EP

Kind code of ref document: A1

ENP Entry into the national phase

Ref document number: 2013541196

Country of ref document: JP

Kind code of ref document: A

NENP Non-entry into the national phase

Ref country code: DE

ENP Entry into the national phase

Ref document number: 20137016846

Country of ref document: KR

Kind code of ref document: A

WWE Wipo information: entry into national phase

Ref document number: 2011844919

Country of ref document: EP

WWE Wipo information: entry into national phase

Ref document number: 13991152

Country of ref document: US